Try another version of this question Add: `[(0,-7,-5),(4,4,-2)] + [(-4,0,0),(3,-2,6)]` Get help: VideoBox 1: Enter each element of the matrix as number (like 5, -3, 2.2) `[(-4,-7,-5),(7,2,4)]`
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Get help: Video
Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)